exp-w crasher

Average Error: 0.3 → 0.4

Time: 12.9s

Precision: binary64

• could not determine a ground truth for program body

  1. w = 7.545945601055156e+229
  2. l = -1.6240242067751955e-246

Math

\[\]

↓

\[\]

Error

Bits error versus w

Bits error versus l

Derivation

1. Initial program 0.3

   \[\]
2. Using strategy rm

3. Applied add-sqr-sqrt 0.3

   \[\leadsto \]

4. Applied pow-unpow 0.3

   \[\leadsto \]
5. Using strategy rm

6. Applied add-cube-cbrt 0.4

   \[\leadsto \]

7. Applied sqrt-prod 0.4

   \[\leadsto \]

8. Applied pow-unpow 0.4

   \[\leadsto \]

9. Simplified 0.4

   \[\leadsto \]
10. Using strategy rm

11. Applied pow1/3 0.4

    \[\leadsto \]
12. Using strategy rm

13. Applied add-cube-cbrt 0.4

    \[\leadsto \]

14. Applied pow-unpow 0.4

    \[\leadsto \]

15. Simplified 0.4

    \[\leadsto \]

16. Final simplification 0.4

    \[\leadsto \]

Reproduce

herbie shell --seed 2020181 
(FPCore (w l)
  :name "exp-w crasher"
  :precision binary64
  (* (exp (neg w)) (pow l (exp w))))